Home / 1,087,911.84-1,500,835.32-724,982.16

Finding the Fourth Proportional to 1,087,911.84, 1,500,835.32 and 724,982.16

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Solution

The fourth proportional to 1,087,911.84, 1,500,835.32 and 724,982.16 is: 1,000,153.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,911.84 : 1,500,835.32 = 724,982.16 : x
  2. Step 2: Convert to fraction form
    1,087,911.84/1,500,835.32 = 724,982.16/x
  3. Step 3: Cross multiply
    1,087,911.84x = 1,500,835.32 × 724,982.16
  4. Step 4: Simplify right side
    1,087,911.84x = 1,088,078,832,097.89
  5. Step 5: Solve for x
    x = 1,088,078,832,097.89/1,087,911.84
  6. Step 6: Final answer
    x = 1,000,153.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.